CGI::SSI does that: 
$ perl -e 'use CGI::SSI (autotie => "STDOUT"); print qq{<!--#echo var=
+"DATE_LOCAL" -->\n}'
Tue Jul 15 11:30:56 2008

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In reply to Re^7: including the content of a .shtml file into a cgi page by moritz
in thread including the content of a .shtml file into a cgi page by ketaki

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